| American Airlines (AA) | Continental Airlines (CO) | Delta Air Lines (DL) |
| Northwest Airlines (NW) | Southwest Airlines (WN) | US Airways (US) |
| Atlanta Hartsfield-Jackson Intl Apt (ATL) | Baltimore Washington International Apt (BWI) | Charlotte (CLT) |
| Chicago Midway Apt (MDW) | Dallas/Fort Worth Intl Apt (DFW) | Detroit Wayne County (DTW) |
| Houston George Bush Intercontinental Ap (IAH) | Houston Hobby Apt (HOU) | Memphis International Apt (MEM) |
| Orlando International Apt (MCO) | Washington Ronald Reagan National Apt (DCA) |